JP2007170750A - Ventilation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ventilation device capable of easily mounting a louver, performing maintenance such as replacement of a motor from an indoor side, and mounting the louver even when a ventilation fan main body is mounted on a ceiling material or an upper side of a wood frame. <P>SOLUTION: In a ventilation device main body 7 made of a resin, provided with a motor holding plate 4 for mounting a motor 3 rotating a blade 5 at an upper portion, and a casing 6 covering the blade 5 and the motor 3 inside of a housing provided with a suction opening 1 and a flange portion 18 on its bottom face, and a vent hole 2 on its side face 8, and provided with the resin louver 15 on the bottom face, a vertically slidable L-shaped bracket 16 is mounted on the flange portion 18 of the ventilation device main body 7, a magnet 17 is mounted at a ventilation device main body 7 side of the louver 15, and the louver 15 is mounted on the bottom face of the ventilation device main body 7. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to attachment of a louver provided in a ventilation device that is installed on a ceiling or the like and performs ventilation.

  Conventionally, as this type of ventilator, a ventilator is known in which a louver flange portion is made of metal and a louver provided with a magnet is directly attached to the flange portion (see, for example, Patent Document 1).

  Hereinafter, the ventilator will be described with reference to FIG.

  As shown in the figure, a ventilator body 104 having a suction port 101 on the bottom surface, a ventilation port 102 on the side surface, and a flange portion 103 on the bottom surface side is a louver 105 provided on the indoor suction side of the ventilation channel. In order to attach the louver 105 to the ventilator main body 104, the magnet 106 is attached to the back surface of the louver 105, and the louver 105 is attached to the bottom surface of the ventilator main body 104.

  In addition, in this type of attachment, there is one in which a magnet is attached to the main body side (see, for example, Patent Document 2).

  Hereinafter, the ventilator will be described with reference to FIG.

As shown in the figure, a ventilator main body 110 having a suction port 107 on the bottom surface, a ventilation port 108 on the side surface, and a flange portion 109 on the bottom surface side is a louver 111 provided on the indoor suction side of the ventilation path. A magnet 112 is provided on the inner wall of the ventilator main body 110, a metal piece 113 is provided on the louver 111 at a position corresponding to the magnet 112 on the inner wall of the ventilator main body 110, and the louver 111 is provided on the bottom surface of the ventilator main body 110. It was attached.
Japanese Utility Model Publication No.59-168648 Japanese Utility Model Publication No. 57-36530

  In such a conventional ventilator, in the ventilator described in Patent Document 1, when the flange portion of the ventilator body is installed on the upper side of the ceiling material or the upper side of the wooden frame, it is attached to the louver. There is a problem that the magnets that do not come into contact with the flange portion and the louver cannot be attached to the flange portion.

  In addition, in the ventilator described in Patent Document 2, since a magnet is attached to the inner wall of the ventilator main body, parts such as a motor or wings are removed from the indoor side during maintenance such as replacement of the motor or wings. There was a problem that the magnet was in the way and the motor or the like was difficult to remove.

  The present invention solves the above-mentioned problems, and even when the ventilation device main body is attached to the upper side of the ceiling material or the wooden frame, the louver can be easily attached, and maintenance such as motor replacement is easy from the indoor side. The purpose is to provide a ventilation device that can be used.

  In order to solve the above-mentioned problems, a ventilator according to the present invention is a motor in which a motor for rotating a blade upward is provided inside a box having a suction port and a flange on a bottom surface and a ventilation port on a side surface. In a resin ventilator body provided with a holding plate, a casing that covers the blades and the motor, and a resin louver attached to the bottom surface, an L-shaped L-shaped bracket that can slide up and down on the side surface of the ventilator body The magnet is attached to the ventilation device main body side of the louver, the L-shaped bracket and the magnet are brought into contact with each other, and the louver is attached to the bottom surface of the ventilation device main body.

  By this means, it is possible to easily attach the louver even if the ventilation device main body is attached to the upper side of the ceiling material or the wooden frame, and it is possible to obtain a ventilation device in which maintenance such as motor replacement can be easily performed from the indoor side.

  Further, another means is such that an L-shaped metal fitting is fitted to the bottom surface of the flange portion, and the bottom surface of the flange portion and the L-shaped metal metal is flush with each other.

  By this means, even if the position of the magnet of the louver and the position of the L-shaped metal part is slightly deviated, a ventilation device that can be attached stably without rattling is obtained.

  In addition, another means is configured such that a recess is provided in the inner wall of the ventilator body, and the L-shaped metal fitting is slid up and down along the recess.

  By this means, a ventilator that can prevent displacement of the position where the L-shaped fitting is attached to the flange portion is obtained.

  In addition, another means is configured such that a long hole is provided in the vertical direction of the L-shaped metal fitting and screwed to the ventilation fan main body through the long hole of the L-shaped metal fitting.

  By this means, it is possible to obtain a ventilator that can be easily adjusted to attach the louver even if the position of the ventilator main body is changed in the vertical direction.

  The other means is configured such that the louver and the casing are attached with a string.

  By this means, it is possible to obtain a ventilator that can prevent the louver from dropping even if there is a fault in installation or a disaster such as an earthquake.

  Moreover, the other means is configured such that the louver and the inner wall of the ventilator main body are attached with a string.

  By this means, it is possible to obtain a ventilator that can prevent the louver from dropping even during a mounting failure, a disaster such as an earthquake, or even during maintenance.

  The other means is configured to provide a magnet on the L-shaped metal fitting.

  By this means, it is possible to obtain a ventilator that can reduce the thickness of the magnet of the louver and increase the attachment strength of the bottom surface of the ventilator body and the louver.

  Another means is that a plurality of ribs for fixing a magnet are provided around the louver on the bottom side of the ventilator main body, and the magnet is fixed by a set of the ribs facing each other.

  By this means, the ventilation apparatus which can change the attachment direction of a louver easily is obtained by replacing a magnet.

  The other means is configured to fix the magnet to all the ribs around the louver.

  By this means, a ventilation device can be obtained in which the louver mounting direction can be easily changed without replacing the louver magnet.

  According to the present invention, a motor holding plate for attaching a motor for rotating a blade upward in the box body to a box body having a suction port and a flange portion on a bottom surface and a ventilation port on a side surface, the blade and the blade In a resin ventilator main body provided with a casing covering the motor and having a resin louver attached to the bottom surface, an L-shaped L-shaped bracket that can be slid up and down is attached to a side surface of the ventilator main body, and the ventilation of the louver By attaching a magnet to the apparatus main body side, abutting the L-shaped bracket and the magnet, and mounting the louver on the bottom surface of the ventilator main body, the ventilator main body is located above the ceiling material or the wooden frame. It is possible to provide a ventilating apparatus that can easily attach a louver even if it is attached to the vehicle, and can perform maintenance such as motor replacement easily from the indoor side.

  Further, by fitting an L-shaped metal fitting to the bottom surface of the flange portion so that the flange portion and the bottom surface of the L-shaped metal fitting are flush with each other, the position of the louver magnet and the L-shaped metal fitting is somewhat It is possible to provide a ventilator that has an effect of being able to be mounted stably without rattling even if it is displaced.

  Further, by providing a recess in the inner wall of the ventilator main body and sliding the L-shaped bracket up and down along the recess, it is possible to prevent displacement of the position where the L-shaped bracket is attached to the flange portion. Can provide some ventilator.

  Moreover, even if the attachment position of the ventilator main body is changed in the vertical direction by providing a long hole in the vertical direction of the L-shaped bracket and screwing it to the ventilation fan main body through the long hole of the L-shaped bracket. Thus, it is possible to provide an effective ventilation device that can be easily adjusted to attach the louver.

  In addition, by adopting a configuration in which the louver and the casing are attached with strings, the ventilator has an effect of preventing the louver from falling even if there is a disaster such as incomplete attachment or an earthquake. Can provide.

  In addition, by configuring the louver and the inner wall of the ventilator body to be attached with a string, it is possible to perform only in the event of inadequate installation, disasters such as earthquakes, or during maintenance, especially motor replacement or blade replacement. However, it is possible to provide an effective ventilation device that can prevent the louver from falling.

  Further, by providing a magnet on the L-shaped bracket, it is possible to provide a ventilator that can reduce the thickness of the louver and increase the attachment strength between the bottom surface of the ventilator body and the louver.

  In addition, by providing a plurality of ribs for fixing the magnet around the louver on the bottom surface side of the ventilator main body, and fixing the magnet with a set of the ribs facing each other, by replacing the magnet, It is possible to provide an effective ventilation device that can easily change the mounting direction.

  In addition, by adopting a configuration in which the magnet is fixed to all the ribs around the louver, it is possible to provide an effective ventilation device that can easily change the louver mounting direction without replacing the louver magnet.

  According to a first aspect of the present invention, there is provided a motor holding plate for attaching a motor for rotating a blade upward in a box body provided with a suction port and a flange portion on a bottom surface and a ventilation port on a side surface. In the resin ventilator main body provided with a casing that covers the blades and the motor and having a resin louver attached to the bottom surface, an L-shaped L-shaped bracket that can slide up and down is attached to the side surface of the ventilator main body. By attaching a magnet to the ventilator main body side of the louver, abutting the L-shaped bracket and the magnet, and mounting the louver on the bottom surface of the ventilator main body, it becomes easier to attach the louver, Maintenance of the ventilation fan body can be performed from the indoor side, and the louver can be mounted even if the vertical mounting position of the ventilation fan body is changed. .

  Further, in the ventilator according to claim 2 of the present invention, an L-shaped metal fitting is fitted to the bottom surface of the flange portion, and the bottom surface of the flange portion and the L-shaped metal hardware is flush with each other. Even if the position of the magnet of the louver and the L-shaped metal fitting is slightly deviated from each other, it can be securely attached.

  In the ventilator according to claim 3 of the present invention, the recess is formed in the inner wall of the ventilator main body, and the L-shaped bracket is configured to slide up and down along the recess, thereby adjusting the L-hour bracket position. At this time, it acts as a guide and has an effect that it is easy to move and can be prevented from being displaced from side to side.

  Moreover, the ventilator according to claim 4 of the present invention has a structure in which a long hole is provided in the vertical direction of the L-shaped bracket and is screwed to the ventilation fan body through the long hole of the L-shaped bracket. Even if the attachment position is changed in the vertical direction, the louver can be attached, and the louver can be easily attached.

  In the ventilator according to claim 5 of the present invention, since the louver and the casing are configured to be attached with strings, the louver falls even if there is a disaster such as improper installation or an earthquake. It has the effect | action that can be prevented.

  Further, the ventilator according to claim 6 of the present invention has a configuration in which the louver and the inner wall of the ventilator main body are attached with a string, so that only maintenance of the motor or replacement of the blades is performed during maintenance. Even so, the louver can be prevented from falling.

  In addition, the ventilator according to claim 7 of the present invention has a configuration in which the magnet is provided in the L-shaped metal fitting, whereby the thickness of the louver can be reduced and the louver can be securely attached. Have

  Moreover, the ventilator according to claim 8 of the present invention has a configuration in which a plurality of ribs for fixing magnets are provided around the louver on the bottom surface side of the ventilator body, and the magnets are fixed by a pair of the ribs facing each other. By having made it, it has the effect | action that the attachment direction of a louver can be changed easily.

  In the ventilator according to claim 9 of the present invention, since the magnet is fixed to all the ribs around the louver, the mounting direction can be easily changed without replacing the magnet of the louver. It has the action.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIGS. 1 to 5, a box-like shape having a suction port 1 on the bottom surface, a ventilation port 2 on the side surface, a motor 3 and a motor holding plate 4 on the upper side, a blade 5 inside, and a casing 6 is housed. A ventilation device main body 7, a main body side connection port 10 communicating with the ventilation port 2 and a duct side connection port 12 communicating with the duct 11 are integrally provided, and a louver 15 is provided so as to cover the opening 14 provided in the ceiling 13. L-shaped L-shaped metal fittings 16 that can slide up and down are provided on the left and right side surfaces 8 that are in contact with the side surface 9 on which the mouth 2 is provided, and the louver 15 is aligned with the short side of the L-shaped metal fittings 16. The magnet 17 is attached.

  In the above configuration, the construction for attaching the ventilation device is a method of installing the flange portion 18 of the ventilation device main body 7 on the upper side of the ceiling 13 as shown in FIG. 1 or a method of installing the flange portion 18 on the lower side of the ceiling 13 as shown in FIG. Moreover, the method etc. which are installed in the same surface (not shown) as the ceiling 13 are performed. Depending on the installation position of the ventilation device main body 7, the L-shaped bracket 16 is adjusted in the vertical direction so that there is no gap with the ceiling when the louver 15 is attached. The width of the magnet 17 is equal to or greater than the width of the L-shaped metal fitting 16 and can be attached even if the position of the louver 15 is slightly shifted. Further, the length of the L-shaped metal fitting 16 is about 50 mm, assuming that the flange 18 comes to the lower side of the ceiling 13 and the case attached to the upper side (not shown) of the wooden frame. Necessary. Further, the magnet 17 can be attached by using a rib or any of the attachment methods such as heat welding of resin, adhesive, and screwing.

  When the ventilator is operated, the motor 3 and the blades 5 are driven, and indoor air is sucked from the suction port 1 and is discharged to the outside through the duct 11.

  Further, at the time of maintenance such as replacement of the motor 3 or replacement of the blades 5, the motor holding plate 4 screwed to the ventilation device body 7 is removed, and the motor 3, the motor holding plate 4, the blades 5, and the casing 6 are removed together. It has a configuration.

  2 and 3, when the flange portion 18 is installed on the lower side of the ceiling 13 (in this case, the L-shaped bracket is attached to the uppermost side of the side surface 8), the flange portion 18 The short side of the L-shaped metal fitting 16 is accommodated in the recess 22 formed on the bottom surface, and the flange 18 and the bottom surface of the L-shaped metal fitting 16 are flush with each other. At the time of packaging, the L-shaped metal fitting 16 is shipped in a state where the long side of the L-shaped metal fitting 16 fits inside the ventilation device main body 7 and the short side of the L-shaped fitting 16 fits in the concave portion 22 on the bottom surface of the flange portion 18.

  Further, as shown in FIG. 4, the L-shaped metal fitting 16 is provided with a long hole in the vertical direction, and is configured to be movable in the vertical direction by loosening a screw. The same effect can be obtained even if the nuts and bolts are used for fixing.

  Further, as shown in FIG. 5, the side surface 8 to which the L-shaped metal fitting 16 is attached is a recess 23 that matches the L-shaped metal fitting 16. The surface of 16 is substantially flush with the outer peripheral side of the surface of the side surface 8.

  As described above, according to the ventilator of Embodiment 1 of the present invention, the resin ventilator main body having the suction port 1 on the lower surface, the ventilation port 2 on the side surface, and the flange portion 18 on the lower surface side. 7 and a resin louver 15 provided on the indoor suction side of the ventilation path, and an L-shaped metal fitting 16 that can be slid up and down is attached to the flange portion 18 of the ventilator body 7, and the louver 15 is attached to the ventilator body 7. Therefore, since the magnet 17 is attached to the back surface of the louver 15, the louver 15 can be easily attached, and maintenance such as the motor 3 and the blades 5 of the ventilator body 7 can be easily removed and installed on the indoor side. Even if the vertical mounting position of the ventilator body 7 is changed, the louver 15 can be easily mounted.

  Moreover, since the L-shaped metal fitting 16 can be accommodated without being attached to the louver 15, the size at the time of packing can be made small, it becomes an inexpensive packing cost, and the deformation | transformation of the L-shaped metal fitting 16 can be prevented.

  Moreover, since the position of the magnet 17 is provided on the outer peripheral side of the louver 15, the opening area of the louver 15 can be increased, and noise can be reduced.

  Further, when the flange portion 18 is installed below the ceiling 13, the short side of the L-shaped metal fitting 16 is configured to be flush with the bottom surface of the flange portion 18, and is thus attached to the ventilator body 7. The L-shaped metal fitting 16 and the magnet 17 provided on the louver 15 can reliably come into contact with each other, and the louver 15 can be stably attached to the bottom surface of the ventilator body 7.

  Further, since the concave portion is provided on the side surface 8 and the L-shaped metal fitting 16 is vertically slid along the concave portion, the concave portion serves as a guide when adjusting the position of the metal fitting 16 at the time of L, It is easy to move, can be prevented from being displaced from side to side, and the smoothness with the flange portion 18 is improved, so that the louver can be attached without causing any positional displacement.

  In addition, since the L-shaped bracket 16 is provided with a vertical hole and the L-shaped bracket 16 is screwed to the ventilator main body 7, even if the mounting position of the ventilator main body 7 changes in the vertical direction. The louver 15 can be easily attached.

  The same effect can be obtained with either the L-shaped metal fitting 16 having a square cylindrical shape with a flange and the round ventilator with a circular cylindrical shape with a flange.

(Embodiment 2)
As shown in FIG. 6, it is set as the structure which attaches the string 19 for fall prevention to the louver 15A and the casing 6A.

  In the above configuration, the louver 15A can be prevented from falling when, for example, a mounting defect or an earthquake occurs.

(Embodiment 3)
As shown in FIG. 7, a fall prevention string 19 is attached to the inner wall of the louver 15 </ b> A and the ventilator body 7.

  In the above configuration, it is possible to prevent the louver from dropping during maintenance, particularly even when the motor is replaced or the blade is replaced.

(Embodiment 4)
As shown in FIGS. 8 and 9, the magnet 17A is configured not only to the louver 15B but also to the L-shaped metal fitting 16A.

  In the above configuration, the magnet 17A of the louver 15B can be thinned, thereby reducing the thickness of the louver 15B. As an optimal shape, when the magnet 20 attached to the L-shaped metal fitting 16A is flush with the flange portion 18 of the ventilator main body 7, the louver can be thinned most.

  Further, since the magnets are provided on both sides, the magnetic force is increased, the adhesive strength can be increased, and the magnet can be made smaller.

(Embodiment 5)
As shown in FIGS. 10 and 11, a plurality of ribs 21 for fixing the magnet 17B are provided around the louver 15C, and the magnet 17B is fixed by a pair of opposing ribs 21.

  In the above configuration, if it is desired to change the orientation of the louver 15C by 90 degrees, for example, by changing the orientation of the room, the attachment direction of the louver 15C can be changed by 90 degrees on the bottom surface of the ventilator body 7 by changing the magnet 17B. .

(Embodiment 6)
As shown in FIG. 12, the magnet 17C of the louver 15D is configured to be attached to the entire periphery of the louver 15D.

  In the above configuration, the attachment position of the louver 15D can be easily changed by 90 degrees, for example, as compared with the case where there are two magnets without changing the magnet.

  The louver attachment structure for a ventilator according to the present invention can be applied to attachment of a louver provided in an air conditioner, a blower or the like by a structure in which a main body is installed on a ceiling or the like and a louver can be easily attached to a suction port.

Side surface sectional drawing of the ventilation apparatus in Embodiment 1 of this invention Side cross-sectional view showing the ventilator installed on the ceiling Side view of fitting the L-shaped bracket to the bottom of the flange of the ventilator Perspective view of the L-shaped bracket of the ventilation device The perspective view which shows the attachment state of the L-shaped metal fitting of the ventilator Side surface sectional drawing of the ventilation apparatus in Embodiment 2 of this invention Side surface sectional drawing of the ventilator in Embodiment 3 of this invention. Side surface sectional drawing of the ventilator in Embodiment 4 of this invention. Side sectional view showing the louver attached state of the ventilation device Side surface sectional drawing of the ventilator in Embodiment 5 of this invention. Perspective view of the louver The perspective view of the louver in Embodiment 6 of this invention A perspective view of a conventional ventilation device Side sectional view of the same type

Explanation of symbols

2 Ventilation port 3 Motor 4 Motor holding plate 5 Blade 6 Casing 6A Casing 7 Ventilator body 8 Side face 15 Louver 15A Louver 15B Louver 15C Louver 15D Louver 16 L-shaped metal fitting 16A L-shaped metal fitting 17 Magnet 17A Magnet 17C Magnet 17C Magnet 17C Magnet 17C 19 String 20 Magnet 21 Rib

Claims (9)

A motor holding plate for attaching a motor for rotating a blade upward in the box body and a casing for covering the blade and the motor are provided in a box body having a suction port and a flange portion on a bottom surface and a ventilation port on a side surface. In the resin ventilator main body with a resin louver attached to the bottom surface, an L-shaped bracket that can be slid up and down is attached to the side surface of the ventilator main body, and a magnet is attached to the ventilator main body side of the louver. A ventilator characterized in that the louver is mounted on the bottom surface of the ventilator main body by attaching the L-shaped bracket and the magnet. The ventilator according to claim 1, wherein an L-shaped fitting is fitted to the bottom surface of the flange portion, and the bottom surface of the flange portion and the L-shaped fitting is flush with each other. The ventilator according to claim 1 or 2, wherein a recess is provided on an inner wall of the ventilator body, and an L-shaped bracket is slid up and down along the recess. The ventilator according to any one of claims 1 to 3, wherein an elongated hole is provided in the vertical direction of the L-shaped bracket, and is screwed to the ventilation fan body through the elongated hole of the L-shaped bracket. The ventilation device according to claim 1, wherein the louver and the casing are attached with a string. The ventilator according to claim 1, wherein the louver and the inner wall of the ventilator main body are attached with a string. The ventilator according to any one of claims 1 to 4, wherein a magnet is provided on the L-shaped bracket. The ventilator according to claim 1 or 7, wherein a plurality of ribs for fixing a magnet are provided around a louver on the bottom side of the ventilator body, and the magnet is fixed by a set of the ribs facing each other. The ventilation apparatus according to claim 8, wherein the magnet is fixed to all ribs around the louver.

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